package com.atguigu.vod.service.impl;

import com.aliyun.vod.upload.impl.UploadVideoImpl;
import com.aliyun.vod.upload.req.UploadStreamRequest;
import com.aliyun.vod.upload.resp.UploadStreamResponse;
import com.aliyuncs.DefaultAcsClient;
import com.aliyuncs.vod.model.v20170321.DeleteVideoRequest;
import com.aliyuncs.vod.model.v20170321.DeleteVideoResponse;
import com.atguigu.commonutils.R;
import com.atguigu.servicebase.exceptionhandler.GuLiException;
import com.atguigu.vod.service.VodService;
import com.atguigu.vod.util.AliyunVodSDKUtils;
import com.atguigu.vod.util.ConstantVodUtils;
import com.mysql.cj.util.StringUtils;
import org.springframework.stereotype.Service;
import org.springframework.web.multipart.MultipartFile;

import java.io.IOException;
import java.io.InputStream;
import java.util.List;

@Service
public class VodServiceImpl implements VodService {

    @Override
    public String uploadVideoAly(MultipartFile file) {
        //accessKeyId accessKeySecret
        //title 上传之后显示的名字
        //fileName 上传文件的名字
        String fileName = file.getOriginalFilename();
        String title = fileName.substring(0,fileName.lastIndexOf("."));
        InputStream inputStream = null;
        try {
            inputStream = file.getInputStream();
            UploadStreamRequest request = new UploadStreamRequest(ConstantVodUtils.ACCESS_KEY_ID, ConstantVodUtils.ACCESS_KEY_SECRET, title, fileName, inputStream);
            UploadVideoImpl uploader = new UploadVideoImpl();
            UploadStreamResponse response = uploader.uploadStream(request);
            //System.out.print("RequestId=" + response.getRequestId() + "\n");  //请求视频点播服务的请求ID
            String videoId = response.getVideoId();
            if (response.isSuccess()) {
                return videoId;
            } else { //如果设置回调URL无效，不影响视频上传，可以返回VideoId同时会返回错误码。其他情况上传失败时，VideoId为空，此时需要根据返回错误码分析具体错误原因
                System.out.print("ErrorCode=" + response.getCode() + "\n");
                System.out.print("ErrorMessage=" + response.getMessage() + "\n");
                return videoId;
            }
        } catch (IOException e) {
            e.printStackTrace();
            return null;
        }
    }

    //删除多个视频
    @Override
    public void removeVideoList(List<String> videoIdList) {
        try {
            //初始化对象
            DefaultAcsClient client = AliyunVodSDKUtils.initVodClient(ConstantVodUtils.ACCESS_KEY_ID, ConstantVodUtils.ACCESS_KEY_SECRET);
            //创建删除视频的request和response对象
            DeleteVideoRequest request = new DeleteVideoRequest();
            //设置视频id 传入多个id时 需要采用1,2,3的方式
            //将videoIdList转换为一个字符串 例如：1,2,3
            String videoIds = org.apache.commons.lang.StringUtils.join(videoIdList.toArray(),",");
            request.setVideoIds(videoIds);
            //调用初始化对象的方法实现删除
            DeleteVideoResponse response = client.getAcsResponse(request);
        }catch (Exception e) {
            e.printStackTrace();
            throw new GuLiException(20001,"删除多个视频失败");
        }
    }
}
